SylwanSylwan is the oldest scientific journal covering forestry in the world that is still in print. It was established in 1820 as the semi-official organ of the Royal Forestry Corps in Poland. Since 1925 it has been published by the.Abstracting and indexingSylwan is abstracted and indexed in the Science [Citation Index Expanded], CAB International, and Polish Scientific Journal Contents. According to the Journal Citation Reports, the journal has a 2018 impact factor of 0.691.